Orthodontic toothbrush



FIG. 1 is a front elevation view of an orthodontic toothbrush in accordance with the new design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a front and right side elevation view thereof;

FIG. 6 is an enlarged view of a bottom plan view thereof; and,

FIG. 7 is an enlarged view of a top plan view thereof. 

CLAIM The ornamental design for an orthodontic toothbrush, as shown and described. 